package day03.io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

//文件复制
public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis =new FileInputStream("imh.jpeg");
        FileOutputStream fos = new FileOutputStream("imog.jpeg");
        int d;
        long start=System.currentTimeMillis();
        while ((d=fis.read())!=-1){
                fos.write(d);
        }
        long end=System.currentTimeMillis();
        fis.close();
        fos.close();
        System.out.println("复制完毕!耗时"+(end-start)+"ms");

    }
}
